Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(28)
Published: April 28, 2023
Abstract
Dielectric
materials
with
higher
energy
storage
and
electromagnetic
(EM)
conversion
are
in
high
demand
to
advance
electronic
devices,
military
stealth,
mitigate
EM
wave
pollution.
Existing
dielectric
for
high‐energy‐storage
electronics
loss
absorbers
studied
toward
realizing
these
goals,
each
aligned
the
current
global
grand
challenges.
Libraries
of
desirable
permittivity,
loss,
and/or
breakdown
strength
potentially
meeting
device
requirements
reviewed
here.
Regardless,
aimed
at
translating
into
oft‐encountered
shortcomings
can
be
caused
by
either
two
confluences:
a)
low
strength;
b)
process
complexity.
Contextualizing
aspects
overarching
objectives
enabling
high‐efficiency
conversion,
recent
advances
by‐design
inorganic–organic
hybrid
here,
a
focus
on
design
approaches,
preparation
methods,
characterization
techniques.
In
light
their
strengths
weaknesses,
potential
strategies
foster
commercial
adoption
critically
interrogated.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(20), P. 7071 - 7136
Published: Jan. 1, 2023
This
review
highlights
the
film
preparation
methods
and
application
advances
in
memory
neuromorphic
electronics
of
porous
crystalline
materials,
involving
MOFs,
COFs,
HOFs,
zeolites.
Inorganic Chemistry,
Journal Year:
2022,
Volume and Issue:
61(6), P. 2883 - 2891
Published: Feb. 2, 2022
The
development
of
supramolecular
coordination
complexes
(SCCs)
with
a
bright
aggregate
state
or
mechanical-stimuli-responsive
luminescence
is
very
significant
and
challenging.
Herein,
we
report
the
synthesis
three
different
platinum(II)
metallacycles
via
coordination-driven
self-assembly
diplatinum(II)
acceptor
organic
donors
triphenylamine,
carbazole,
tetraphenylethylene
moiety.
triphenylamine-modified
SCC
exhibits
aggregation-induced
emission
enhancement
(AIEE)
but
no
mechanofluorochromism.
carbazole
tetraphenylethylene-based
SCCs
exhibit
changes
in
fluorescence
also
reversible
This
work
not
only
reports
rare
AIEE,
change,
mechanofluorochromic
nature
explores
their
potential
applications
cell
imaging
solid-state
lighting.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(43)
Published: Sept. 17, 2023
Abstract
Supercapacitors
offer
superior
energy
storage
capabilities
than
traditional
capacitors,
making
them
useful
for
applications
such
as
electric
vehicles
and
rapid
large‐scale
storage.
The
performance
of
these
devices
relies
on
electrical
double‐layer
capacitance
and/or
pseudocapacitance
from
reversible
redox
reactions.
Metal–organic
frameworks
(MOFs)
have
recently
emerged
a
new
class
electrode
materials
with
promising
supercapacitor
performances
capacitances
that
exceed
those
materials.
However,
the
comparison
porous
carbon
state‐of‐the‐art
MOF
highlights
number
challenges
supercapacitors,
including
low
potential
windows,
limited
cycle
lifetimes,
poor
rate
performances.
It
is
proposed
well‐defined
tuneable
chemical
structures
MOFs
present
avenues
improving
performance.
Recent
experimental
theoretical
work
charging
mechanisms
in
MOF‐based
supercapacitors
also
discussed,
it
found
there
need
more
studies
elucidate
charge
degradation
mechanisms.
Ultimately,
deeper
understanding
will
lead
to
design
principles
realizing
improved
devices.
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: April 30, 2023
Abstract
Electrochemically
reducing
CO
2
to
more
reduced
chemical
species
is
a
promising
way
that
not
only
enables
the
conversion
of
intermittent
energy
resources
stable
fuels,
but
also
helps
build
closed-loop
anthropogenic
carbon
cycle.
Among
various
electrocatalysts
for
electrochemical
reduction,
multifunctional
metal–organic
frameworks
(MOFs)
have
been
employed
as
highly
efficient
and
selective
heterogeneous
due
their
ultrahigh
porosity
topologically
diverse
structures.
Up
now,
great
progress
has
achieved
in
design
synthesis
active
MOF-related
catalysts
reduction
reaction
(CO
RR),
corresponding
mechanisms
thoroughly
studied.
In
this
review,
we
summarize
recent
applying
MOFs
derivatives
RR,
with
focus
on
strategies
electrolyzers.
We
first
discussed
different
RR
products
introduced
commonly
applied
electrolyzer
configurations
current
system.
Then,
an
overview
several
categories
(CO,
HCOOH,
CH
4
,
3
OH,
multi-carbon
chemicals)
generated
from
or
via
was
discussed.
Finally,
offer
some
insights
perspectives
future
development
reduction.
aim
provide
new
into
field
further
guide
research
large-scale
applications.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(11)
Published: Jan. 24, 2023
Two-dimensional
conductive
metal-organic
frameworks
(2D-c-MOFs)
have
attracted
extensive
attention
owing
to
their
unique
structures
and
physical-chemical
properties.
However,
the
planarly
extended
structure
of
2D-c-MOFs
usually
limited
accessibility
active
sites.
Herein,
we
designed
a
triptycene-based
2D
vertically
MOF
(2D-vc-MOF)
by
coordinating
2,3,6,7,14,15-hexahydroxyltriptycene
(HHTC)
with
Cu2+
.
The
2D-vc-MOF(Cu)
possesses
weak
interlayer
interaction,
which
leads
facile
exfoliation
nanosheet.
Compared
classical
structures,
exhibits
100
%
increased
catalytic
activity
in
terms
turnover
number
two-fold
selectivity.
Density
functional
theory
(DFT)
calculations
further
revealed
that
higher
originated
from
lower
energy
barriers
during
CO2
reduction
reaction
process.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(20)
Published: April 7, 2023
Abstract
The
achievement
of
bifunctional
metal‐organic
frameworks
(MOFs)
remains
a
huge
challenge
due
to
their
lack
dual
active
sites.
Herein,
sites
in
the
Co‐catecholate
(Co‐CAT)
are
created
through
Ru,
Ir,
or
Rh
doping
for
overall
water
splitting.
Among
them,
RuCo‐CAT
exhibits
excellent
activities,
outperforming
benchmarked
Pt/C
hydrogen
evolution
reaction
(HER)
and
RuO
2
oxygen
(OER).
theoretical
calculations
demonstrate
that
doped
Ru
atoms
with
optimal
absorption
energy
intermediate
Co
centers
reduced
barrier
rate‐determining
step
HER
OER,
respectively.
Furthermore,
incorporation
can
improve
electrical
conductivity
capacity
adsorption
Co‐CAT
greatly,
synergistically
improving
activity.
This
strategy
engineering
offers
novel
insights
into
designing
MOFs